If you’ve been in the fuel business long enough, you’ve heard it before. A customer calls and says, “We have water in our fuel.” My favorite reply has always been: “We don’t sell water.” It usually gets a laugh. But the conversation that follows is serious. The customer has a problem, and the most recent… Read more »
Month: October 2026
Cloudy Diesel Fuel: Water, Emulsions & Testing | Dieselcraft
Cloudy fuel does not always mean water contamination. Water droplets, cold-weather wax, fine dirt, and aging fuel can all cause haze. Testing helps you choose the right treatment. Water can appear in fuel in three forms: Check a Fuel Sample Suspended Water or an Emulsion? These terms overlap. Both describe water droplets mixed into fuel…. Read more »
R99 vs. Biodiesel Blends: Water Retention, Blending Risks & Fuel Care | Dieselcraft
R99 renewable diesel holds much less dissolved water than FAME biodiesel. Mixing these fuels changes how the finished blend handles water, cold temperatures, and storage. Commercially formulated blends can perform well when they meet fuel specifications and engine requirements. However, mixing unknown fuels in a storage tank can create an unpredictable product—and blending should never… Read more »
Fuel Polishing vs. Fuel Replacement: Which Makes Sense?
Contaminated diesel does not automatically need to be discarded. But fuel polishing cannot fix every problem. The right decision depends on the fuel’s condition, the type of contamination, and the total cost of getting your tank back into service. Before paying to replace an entire tank—or attempting to salvage it—find out what you are dealing… Read more »
Stored Diesel Fuel: 5 Contamination Warning Signs | Dieselcraft
Your tank may be full, but is the fuel ready to do its job? Diesel stored for standby generators, farm equipment, boats, and fleet operations needs regular attention. Water and contaminants can accumulate while the equipment sits idle. Problems may only become apparent when filters plug or an engine struggles to run. Watch for these… Read more »
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